THE SPLENDID BOOK 

 OF ENGINEERING 



I 



FAMOUS BRIDGES 



THE completion of the great bridge over 

 Sydney Harbour marks the end of one of 

 the greatest engineering ventures of the 

 present century. The authorities would not 

 agree to a bridge with less than a single 

 span as it was desired to preserve that 

 wonderful entrance to one of the finest 

 harbours in the world. 



The contract for the bridge was secured 

 by the famous firm of Dorman, Long & Co., 

 of Middlesborough, in the face of stern 

 competition. The total cost of the bridge 

 and its approach roads is not less than 

 6,000,000. The total length of the main 



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